http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49595
--- Comment #9 from Jonathan Wakely <redi at gcc dot gnu.org> 2011-06-30 21:23:55 UTC --- (In reply to comment #7) > The conformance issue, while important, is secondary. I do expect GCC to > comply with the standard in standards mode, and I do expect any deviation from > the standards behavior in standards mode to be considered a bug worth fixing. What do you mean by standards mode? It's clearly documented in the manual that -std=c99 does NOT mean non-standard extensions are rejected, for that you need to use -pedantic-errors, and that rejects __int128.
